ࡱ> KMJ h(bjbjpMpM .0'o_'o_ nn8$#$m<GG]]];;;;;;;$>@;;4'<i,i,i,` ]];i,;i,i,769pN%(b8;=<0m<r8WA+pWA 6969&WA\9@i,;;+pm<WAn y:'Investigation of DC circuits with series connected resistors. Investigation of DC circuits with parallel resistors. 1 Laboratory work What isconsidered to beseriesconnected circuit? FormulateOhm's lawandthe secondKirchhof law. How torelatethe voltageadded to theseries-mountedreceivers, withavoltage ofthe each receiver? How will change the voltage in the resistor R2 if we change resistance of the resitor VR1? Parallel cirquit. Draw, explain how we can calculate various parameters. FormulateOhm's lawand the firstKirchhofs law. How will changecurrentI4,ifwe increase resistance ofresistorR5 two times? Calculate thecurrentI,whereU= 10V, R4= 30, R5= 100, R6= 200 (parallel mounted). What is thepowerdrawn fromthe powersource,if thefourreceivers are connected in parallel,andtheirresistance,respectivelyequal to: R1= 50, R2= 100, R3= 200, R4= 50?Receiversconnected to a12V powersource. Investigation of series AC Circuit. 2 Laboratory work Explain in which cirquit and inwhat conditions we can see phenomena of voltage resonance? How we can determine ,from the readings of multimeters, that the cirquit is set to voltageresonance? How we can determine ,from the readings of multimeters, when > 0and when<0? Draw thecircuitdiagramof vectors,where R`"0,andXL>XC. Draw thecircuitdiagramof vectors,where R`"0,andXL<XC. Explane the change of coschangingcapacitance. Investigation of single-phase transformer. 3 Laboratory work Explain thestructure of the transformer, operation principleandpurpose. Whatwe callthe transformationandefficiency coefficient? Whythe transformationcoefficientis calculatedin the idle work mode? How we determineenergy losses inthe transformer? Explain how theefficiencydependson the currentstrength ofthe secondary winding. Investigation of logic elements. 4 Laboratory work Everything what you know about AND logic function. Everything what you know about OR logic function. Everything what yostQ R N P x z | `jl |~ʺʲ㔉vvhRhbCJaJhbCJaJhbhbCJaJh6"CJaJhQ5CJaJhDUhR5 hDU5h7cCJaJhBCJaJhRCJaJhRhRCJaJh6"hR5>*CJaJhhQ5CJaJhDUh.%5h]hDU5.tR P z | lj & Fgdoe ^`gdR & Fgdoe`gd.%`gdQ gdDUfjlnz|ɽvk`UhB5>*CJaJhg5>*CJaJh4s5>*CJaJh h4sCJaJh CJaJh hdCJaJhdCJaJh h CJaJh h(WCJaJh 5>*CJaJhhQ5CJaJhQ5CJaJhshDU5h4sCJaJhbCJaJhbhbCJaJhRhbCJaJjl@|x $ & Fa$gdoegd" $ & Fa$gdoe & Fgdoe`gd4s`gdQ gdDU ^`gd4s |#~######$ $v$z$$$l%n%%&& &&&&T'X''2(4(6(:(<(@(B(F(H(L(ȻЛȐȐȅȅȐzrnrnrnrnhoejhoeUhbh"CJaJh\"h"CJaJhrh"CJaJhbCJaJhDUhD5 hDU5h4s5>*CJaJhh"CJaJUh"CJaJhhQ5CJaJhQ5CJaJhDUhg5h]hDU5hQ5>*CJaJ*u know about NO logic function What is the full set of the elemts. Having full element set OR-NON, construct logic function OR. Having full element set OR-NON, construct logic function AND. Having full element set OR-NON, construct logic function AND-NON. Having full element set AND-NON, construct logic function AND. Having full element set AND-NON, construct logic function OR. Having full element set AND-NON, construct logic function OR-NON. Investigation of single-phase current rectifier. 5 Laboratory work Explain the operating principle of semiconductor diode. Explain the purpose of the test circuit elements. Draw one-sided and double-rectifier schemes and explain their operation. Draw and explain one-and two-way rectifier adjusted voltage curves U = f(t). What advantages and disadvantages are of the different rectifiers? How to define the filtration and pulsation rates? Explain the operating principle of the C filter. Explain the operating principle of the L filter. Explain when is better to use C filter and when  L filter?      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